3 the alpha toxin perfringolysin is associated with

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3. The alpha-toxin perfringolysin is associated with which medical condition caused by Gram-positive anaerobic bacteria? A. Tetanus B. Botulism C. Gas gangrene D. Leprosy C. Gas gangrene. The bacterium that produces the alpha toxin perfringolysin is aptly named Clostridium perfringens.
1. The envelope surrounds the _________ of some viruses.
2. True or False. You would expect to see a viral envelope on a virus infecting a bacterial cell.
3. Rank the following viruses based on their size from largest to smallest: Paramyxovirus Poliovirus Smallpox virus
1. What linear, double-stranded, enveloped DNA virus is the first virus (as of Oct. 26, 1977) to be officially declared eradicated?
2. What small (~30nm) single-stranded, non-enveloped RNA virus targets the CNS (central nervous system), causing potentially catastrophic damage to motor neurons?
3. By whom and where was the first Polio vaccine developed?
4. Which subtype of Influenza is the most virulent?

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